Base | Representation |
---|---|
bin | 111001010100… |
… | …1010100110101 |
3 | 2002112212220110 |
4 | 1302221110311 |
5 | 30143204220 |
6 | 2552053233 |
7 | 513311034 |
oct | 162512465 |
9 | 62485813 |
10 | 30053685 |
11 | 15a67862 |
12 | a094219 |
13 | 62c355c |
14 | 3dc471b |
15 | 2989be0 |
hex | 1ca9535 |
30053685 has 16 divisors (see below), whose sum is σ = 48228480. Its totient is φ = 15981120.
The previous prime is 30053623. The next prime is 30053693. The reversal of 30053685 is 58635003.
It is not a de Polignac number, because 30053685 - 27 = 30053557 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2595 + ... + 8175.
It is an arithmetic number, because the mean of its divisors is an integer number (3014280).
Almost surely, 230053685 is an apocalyptic number.
It is an amenable number.
30053685 is a deficient number, since it is larger than the sum of its proper divisors (18174795).
30053685 is a wasteful number, since it uses less digits than its factorization.
30053685 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5948.
The product of its (nonzero) digits is 10800, while the sum is 30.
The square root of 30053685 is about 5482.1241321225. The cubic root of 30053685 is about 310.9084865650.
Adding to 30053685 its reverse (58635003), we get a palindrome (88688688).
The spelling of 30053685 in words is "thirty million, fifty-three thousand, six hundred eighty-five".
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